*{
    font-family:Microsoft YaHei,Verdana,simsun, Geneva, sans-serif;
    /*color:#fff;*/
    margin:0;
    padding:0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
html{
    width:100%;
    height:100%;
}
body{
    /*font-size:1em;*/
    width:100%;
    height:100%;
}

main{
    position: absolute;
    width: 100%;
    height: 100%;
}

#map{
    position: absolute;
    width: calc(100% - 45px);
    height: 100%;
}

aside{
    position: absolute;
    height: 100%;
    width: 45px;
    right: 0px;
    background-color:#03a9f4;
    border-left: whitesmoke inset 1px;

}
.sidebar-item{
    width: 100%;
    height: auto;
    /*border: 1px solid;*/
    text-align: center;
    line-height: 30px;
    margin: auto;
    color: white;
    margin-bottom: 10px;
    font-size: 16px!important;
    /*//border-bottom: white solid 0.5px;*/
}

.sidebar-item :hover{
    background-color: white;
    color:#2aabd2;
    cursor: pointer;
}

.sidebar-title{
    top:50%;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f1f1f1;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
}
.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}
.dropdown-content a:hover {background-color: #ddd;}
.sidebar-item:hover .dropdown-content {display: block;}

